Home / 37,134.45-55,710.32-12,172.95

Finding the Fourth Proportional to 37,134.45, 55,710.32 and 12,172.95

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Solution

The fourth proportional to 37,134.45, 55,710.32 and 12,172.95 is: 18,262.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,134.45 : 55,710.32 = 12,172.95 : x
  2. Step 2: Convert to fraction form
    37,134.45/55,710.32 = 12,172.95/x
  3. Step 3: Cross multiply
    37,134.45x = 55,710.32 × 12,172.95
  4. Step 4: Simplify right side
    37,134.45x = 678,158,878.98
  5. Step 5: Solve for x
    x = 678,158,878.98/37,134.45
  6. Step 6: Final answer
    x = 18,262.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.